Mold for concrete basement-walls.



J. W. KEENAN.

MOLD FOR CONCRETE BASEMENT WALLS.

APPLICATION r|LEn1uLv11.1913.

1,142,887. Patented June 15, 1915.

' 2 SHEETS-SHEET 1.

l. W. KEENAN.

MOLD FOR CONCRETE BASEMENT WALLS.

Patented June 15, 1915.

APPLICATION AFILED JULY 1l, 1913. ].142,88'7,l

2 SHEETS-SHEET 2.

JAMES W. KEENAN, OF DETROIT, MICHIGAN.

MOLD FOR CONCRETE BASEMENT-WALLS.

Specieation of Letters Pater/1t. Patentgd June 15, .lgl

Application filed .Tuly 11, 1913. Serial No. 778,433. j

To all whom it may concern:

Be it known that I, JAMES W. KEENAN, a citizen of the United States ofAmerica, residing at Detroit, in the county of Wayne and State ofMichigan, have invented certain new and useful Improvements in Molds forConcrete Basement-Walls, of which the following is a specicati'en,reference being had therein to the accompanying drawings.

This :invention relates to a lmock-down mold for concrete basement wallsand its object is to provide a mold 'formed of sections which areinterchangeable and are adapted to be set in a vertical position andreach from the footing to the top of a wall so that the entire wall maybe made Without resetting or changing the mold sections.

A further object of the invention is to provide a construction which issuch that the mold may be readily set up to provide for a basement ofany desiredfdimensions and which is so constructed that the windowVframes and sills may be set in place and molded into the wall during itsformation.

A `further object of the invention is to provide convenient means foralining the mold sections to facilitate the placing of the sameandfurther to provide lcertain other new and useful features in theconstruction and arrangement of parts.

To these ends the invention consists inthe matters hereinafter set forthand more particularly pointed out in the appended claims reference beinghad to the accompanying drawings in whichs.

Figure 1 is a perspective view of a portion u of a mold embodying theinvention; Fig. 2

is a perspective view of one of the mold sections detached: Fig. 3 is asectional view of a mold section for use in forming a corner of thewall; Fig. 4 is an enlarged sectional detail of a portion of a mold setup; Fig. 5 is a perspective detail showing a locking device for thesections; Fig. 6 is a transverse vertical section through the moldshowing the same in operative position and a filler plate in placetherein; Fig. 7 is a perspective View of a filler plate detached; and Fig. 8 1s a perspective view of an alining bar.

In the construction of concrete walls it has been the common practice tobuild up a mold of a plurality of horizontally disposed members or tobuild the wall of sections beginning at the bottom of the wall andlifting the mold upwardly one section at a time as has been filled inbecomes set so that the neXt y,

section above may be formed thereon.

Applicant proposes to build his moldV walls of a plurality of narrowsections set on end and of a length equal to the height of the wall sothat the entire wall may be built by filling in the mold without thenecessity for resetting or shifting theV mold walls and walls of anydesired dimensions may be readily made by using a greater or lessernumber of sections. Each of these sectlons l comprises a rectangularstrip of sheet metal 2 bordered by side angle bars 3 and end angles 4,which are secured to one face of the sheet metal strip at its edges togive strength and rigidity to the strip. These angle bars also serve tohold the sections in position in the mold by being provided withopenings near their ends, the side angle bars 3 being each provided withholes 5 equidistant from its ends' and the end angle bars 4 being'rovided with holes 6 which are equidistant rom their ends so that theholes in one section will register with those of the next sectionregardless of which end of the section is laced at the top of the wallor of Whether t e section is placed withinthe inner or the outer moldWall.

In setting up the mold footing strips 7 are first placed in position inthe bottom of the excavation, said strips being spaced apart accordingto the thickness of the wall to be constructed, and these strips areprovidedwith upwardly extending spaced pins 9 adapted to engage theholes 6in the angle bars on the several sections to hold said secs tionsin lace at their lower ends. The yseveral sections to form the inner andthe outer walls ofthe mold are then set up side by side with the pins 9engaging theopenings in their lower ends and the sections are thenlocked together by meansl of keys 10 each having a longitudinal slot 11toreceive a Wedge 12. The keys are inserted inthe holes andv the wedgesthen driven into the slots in the keys to draw the contacting flanges ofthe side angle bars of adjacent sections into close contact and lockthem together to form a continuous solid mold Wall. The lower ends ofthe several mold Sections are alined and held in perfect alinement bythel pins von the footing strips 7 and toaline the upper ends of theseveral sections and hold them in alinement, flat bars 13 are placedsimilar to the keys 10 areinserted in the holes in the spacing bars andthrough the openings in the alining strips and the holes inthe upperends of the several mold sections. These pins are held in place by meansof wedges 18 similar to thewedges 12 and thus the two mold walls arefirmly held in spaced relation by the spacing bars and the severalsections of each wall are held in perfect alinement by the aliningstrips. To hold the mold in vertical position before the concrete islled in, brace rods 19 are provided, said rods engaging openings 20 inthe side angle bars 3 of each mold'section, said openings beingpositioned equidistant from each end of the sections so that they willregister with the openings of the adjacent sections regardless of whichend is up when they are placed in the mold.

Whenever itis found desirable to place a window frame in the concretewall, an opening for such a frame may be provided by placing .a suitablenumber of short mold sections 20 in the outer mold wall at the pointwhere it is desired to have the window and after the mold has beenfilled up even with the upper ends of these short sections, the usualstone window sill 21 is laid in place and the window frame 22 then setin place upon the sill and against the inner vmold Wall which is formedof full length sections. To form a rounded corner on the concrete wallat each side of the window frame between its outer edge and the outersurface of the wall, a sheet metal forming strip 23 is secured at oneedge to the outer edge of the window frame by screws or other suitablemeans passing through its flanged edge and the opposite edge of theforming strip is secured to the adjacent mold section by providing saidstrip with an angle bar 24 similar to the angles secured to the moldsections and this angle bar is provided with an opening to register withthe opening 5 in said adjacent mold section so that the forming stripmay be secured in place by means of one of the keys 10. rlhese formingst-rips are curved or bent in transverse section to form a roundedcorner on the concrete wall and may be of any form desired. Windowframes and sills may thus be built into the concrete wall at any desiredpoint and are firmly held in place by the concrete of the wall in whichthe frame and sill are embeddedn messer lf found desirable, an aliningbar 30 may be employed to hold the short sections in place at theirupper ends, said bar being formed with laterally extending ears 31formed by severing portions of one flange of the angle bar and turningthese portions at right angles to the flange to project inward alongsidethe flanges of the bar 3 of the sections, said ears being formed withopenings to register with like openings in said bars 3 so that thesections may be secured together and the alining bar to the sections, bykeys like the keys 10.

ln constructing brick veneer buildings it may be desirable to continuethe brick veneering downl upon the outside of the basement wall to belowthe ground line, and

lit is therefore necessary to provide a seat or ledge upon the concretewall for this veneering. To provide such a seat, the upper portion ofthe concrete wall is reduced in width by means of a series of fillerplates 25 arranged side by side, each of a width equal to the widthofthe mold sections 1 and each formed from a single piece of sheet metalwhich is bent at its lower end to form an outwardly extending flange 26and is similarly bent at its upper end to form a flange 27. The .body ofthe plate may be strengthened to prevent its being bent by the pressureof the concrete against it, by means of an angle strip 28 secured uponits outer face between the end flanges. After the mold walls have beenset in place, the filler plates are placed within the mold with theirflanges 26 against the inner face of the outer mold wall and their upperflanges 27 engaged over the upper edge of the wall. The flanges 27 areprovided with openings 29 spaced apart to correspond with the openings 6in the ends of the mold sections and to hold the filler plates firmly inplace, the pins 17 are inserted through the spacer bars, the openings inthe liner strips and through the openings in these filler plates and thecorresponding openings in the mold sections. rlhe filler plate is spacedfrom the outer mold wall by its flanges just far enough to give thedesired off-set in the concrete wall and form a seat or shoulder thereonof a width to accommodate the brick veneering.

By forming the mold walls of narrow sections which are 'of a vlengthequal to the height of the concrete wall to be formed, the mold may bequickly and accurately set up and the same sections used to build upmolds for concrete basements of various dimensions and as these moldsections are alike upon both sides and ends they may be placed in eitherthe inner or outer wall of the mold with either end up, thus obviatingthe necessity for using care in placing the sections and facilitatingthe erection of the mold. By the use of short mold sections and forgstrips, the window frames and sills may be set in position and theconcrete wall formed around them thus securely and accurately holdingthem in place.

Having thus fully described my invention what I claim is 1. In a moldfor concrete basement walls, the combination of parallel mold walls eachcomprising a series of rectangular mold sections, placed edge to edge ina vertical position and having the meeting edges thereof connected, oneof said lwalls having a plurality of short sections, means for de'-tachably securing the several short sections to the mold sections, meansfor holding the walls spaced apart at their upper end, a footing havingmeans for holding the walls spaced apart at their lower ends, a windowframe opposite the short sections, curved stripsconnecting said frameand the adjacent section at each side of the short sections, and fillerplates suspended from the upper edge of the outer mold wall and adaptedto form a continuous ledge throughout the length of the molded wall.

2. In a mold for concrete basement walls, the combination of parallelmold walls-each comprising a series of rectangular mold sections placededge to edge in a vertical position, and having the meeting edgesthereof connected, one of said walls having a plurality of shortsections, means for detachably securing the several short sections tothemold sections, means for'hold-ing the walls spaced apart at their upperends, a footing having means for holding thewalls spaced apart at theirlower ends, a window frame opposite the short sections, and curvedstrips'connecting said frame and the adjacent sections at each side ofthe short sections.

3. In a mold for concrete basement walls the combination of parallelmold walls each comprising a series of rectangular sections set uponend' with their sides in contact, means for detachably securing theadjacent edges of the sections together, means for spacing the upperends of the walls apart, a footing, means on the footing for engagingand spacing the lower ends of the walls apart, a filler plate oppositethe upper endA of each section forming one of the mold walls and spacedfrom the inner face of said wall to form a continuous offset throughoutthe length of the concrete wall for an exterior finishing structure forthe wall, means for detachably securing the filler plates in place.

lower ends of the walls in spaced relation,

a series of filler plates opposite the upper ends of the severalsections. forming one mold wall and adapted to form a continuous offsetthroughout the length of .a molded wall, each plate being bent at itslower'end to form a flange to engage the inner side of the adjacent moldwall and space said plate therefrom, and means for detachably securlngtheiupper ends of the plates to the sections.

5. In a mold for concrete walls, a plurality of articulated panelsections, and a series of filler plates having the upper edges thereofiianged and suspended from the upper edges of said` sections and againstthe inner walls thereof to form a continuous ledlge throughout thelength of a molded wa 6; In a mold for concrete walls, a series ofarticulated mold sections arranged in parallelism, means including pinsfor spacing the upper and lower ends of .one series of sectionsrelatively tothe other, and a series of filler plates suspended betweenthe parallel series of mold sections against the inner walls thereof andheld in place by the first mentioned means at the upper ends of saidsections and adapted to form a continuous ledge throughout the length ofa molded wall.

7. In' a mold for concrete walls, series of parallel articulated moldsections, a footing for spacing the lower ends of one series of moldsections'relatively to the other, spacing bars spacing the upper ends ofone series lof mold sections relatively tothe other In testimony whereofI aiix my signature in presence of two witnesses.

JAMES W'. KEENAN.

Witnesses:

C. R. STIGKNEY, LEWIS E. FLANDERS.

